.row-1{
    margin: 20px auto;
    width: 200px;
    height: 50px;
    color: #fff;
    line-height: 50px;
    text-align: center;
    background: teal;
    /* 箭头靠右边 */
    clip-path: polygon(0 0, 88% 0, 88% 35%, 95% 50%, 88% 65%, 88% 100%, 0 100%);
    /* 箭头靠下边 */
    /* clip-path: polygon(0 0, 100% 0, 100% 85%,35% 85%, 30% 100%,25% 85%,0% 85%); */
    /* 箭头靠左边 */
    /* clip-path: polygon(5% 0, 100% 0, 100% 100%,5% 100%, 5% 65%,0 50%,5% 35%); */
    /* 箭头靠下边 */
    /* clip-path: polygon(0 15%, 25% 15%, 30% 0,35% 15%, 100% 15%,100% 100%,0% 100%); */
    border: 1px solid teal;
}
.row-2{
    margin: 20px auto;
    position: relative;
    width: 200px;
    height: 50px;
    color: #fff;
    line-height: 50px;
    text-align: center;
    border: 1px solid teal;
    border-radius: 5px;
    background: teal;
}
.row-2::after{
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    /* 箭头靠右边 */
    top: 13px;
    right: -10px;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-left: 10px solid teal;
    /* 箭头靠下边 */
    /* left: 25px;
    bottom: -10px;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid teal; */
    /* 箭头靠左边 */
    /* top: 13px;
    left: -10px;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-right: 10px solid teal; */
    /* 箭头靠下边 */
    /* top: -10px;
    left: 25px;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 10px solid teal; */
}
.row-3{
    margin: 20px auto;
    width: 200px;
    height: 50px;
    background: teal;
    /* 箭头靠右边 */
    clip-path: polygon(0 0, 88% 0, 88% 35%, 95% 50%, 88% 65%, 88% 100%, 0 100%);
    /* 箭头靠下边 */
    /* clip-path: polygon(0 0, 100% 0, 100% 85%,35% 85%, 30% 100%,25% 85%,0% 85%); */
    /* 箭头靠左边 */
    /* clip-path: polygon(5% 0, 100% 0, 100% 100%,5% 100%, 5% 65%,0 50%,5% 35%); */
    /* 箭头靠下边 */
    /* clip-path: polygon(0 15%, 25% 15%, 30% 0,35% 15%, 100% 15%,100% 100%,0% 100%); */
    border: 1px solid teal;
}
.row-3 div{
    text-align: center;
    line-height: 45px;
    width: 198px;
    height: 48px;
    background: #fff;
    /* 箭头靠右边 */
    clip-path: polygon(0 0, 88% 0, 88% 35%, 95% 50%, 88% 65%, 88% 100%, 0 100%);
    /* 箭头靠下边 */
    /* clip-path: polygon(0 0, 100% 0, 100% 85%,35% 85%, 30% 100%,25% 85%,0% 85%); */
    /* 箭头靠左边 */
    /* clip-path: polygon(5% 0, 100% 0, 100% 100%,5% 100%, 5% 65%,0 50%,5% 35%); */
    /* 箭头靠下边 */
    /* clip-path: polygon(0 15%, 25% 15%, 30% 0,35% 15%, 100% 15%,100% 100%,0% 100%); */
    border: 1px solid #fff;
}
.row-4{
    margin: 40px auto;
    width: 200px;
    height: 50px;
    color: #fff;
    line-height: 50px;
    text-align: center;
    position: relative;
    background: teal;
    border-radius: 5px;
}
.row-4::after{
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    /* 箭头靠右边 skewY(50deg)和skewY(-50deg)可以调节箭头方向*/
    top: 25px;
    right: -20px;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-left: 20px solid teal;
    transform: skewY(50deg);
    /* 箭头靠下边 skewX(50deg)和skewX(-50deg)可以调节箭头方向 */
    /* left: 35px;
    bottom: -20px;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 20px solid teal;
    transform: skewX(50deg); */
    /* 箭头靠左边 skewY(50deg)和skewY(-50deg)可以调节箭头方向*/
    /* top: 25px;
    left: -20px;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-right: 20px solid teal;
    transform: skewY(-50deg); */
    /* 箭头靠下边 skewX(50deg)和skewX(-50deg)可以调节箭头方向*/
    /* left: 25px;
    top: -20px;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 20px solid teal;
    transform: skewX(50deg); */

}
.row-5{
    margin: 20px auto;
    width: 200px;
    height: 50px;
    line-height: 50px;
    text-align: center;
    position: relative;
    border-radius: 5px;
    border: 1px solid teal;
}
.row-5::before{
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    /* 箭头靠右边 */
    top: 13px;
    right: -15px;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-left: 15px solid teal;
    /* 箭头靠下边 */
    /* left: 20px;
    bottom: -15px;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 15px solid teal; */
    /* 箭头靠左边 */
    /* top: 13px;
    left: -15px;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-right: 15px solid teal; */
    /* 箭头靠下边 */
    /* left: 20px;
    top: -15px;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 15px solid teal; */
}
.row-5::after{
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    /* 箭头靠右边 */
    top: 13px;
    right: -13px;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-left: 15px solid #fff;
    /* 箭头靠下边 */
    /* left: 20px;
    bottom: -13px;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 15px solid #fff; */
    /* 箭头靠左边 */
    /* top: 13px;
    left: -13px;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-right: 15px solid #fff; */
    /* 箭头靠下边 */
    /* left: 20px;
    top: -13px;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 15px solid #fff; */
}
